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- Stavros Xarchakos (b. 1939) — Rembetiko, The Dark Side of the Sun, Signs of Life
- Iannis Xenakis (1922–2001) — The Thessaloniki World Fair
- Xhol Caravan (1967–1972) — Das Unheil, Wir - zwei
- Xian Xinghai (1905–1945) — Yan'an and the Eighth Route Army
Read more about this topic: List Of Film Score Composers